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Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?

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Use the numbers and symbols to make this number sentence correct. How many different ways can you find?

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How can you arrange these 10 matches in four piles so that when you move one match from three of the piles into the fourth, you end up with the same arrangement?

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Can you each work out the number on your card? What do you notice? How could you sort the cards?

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Twizzle, a female giraffe, needs transporting to another zoo. Which route will give the fastest journey?

This article for pupils explores what makes numbers special or lucky, and looks at the numbers that are all around us every day.

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Place this "worm" on the 100 square and find the total of the four squares it covers. Keeping its head in the same place, what other totals can you make?

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Can you draw a continuous line through 16 numbers on this grid so that the total of the numbers you pass through is as high as possible?

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Without doing lots of calculations, can you decide which of these number sentences are true? How do you know?

These games devised by Jenni Way use dot cards which will help children see the structure of numbers 1-6 and give them confidence as they begin to add and subtract these numbers.

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Complete these two jigsaws then put one on top of the other. What happens when you add the 'touching' numbers? What happens when you change the position of the jigsaws?

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Buzzy Bee was building a honeycomb. She decorated the honeycomb with a pattern using numbers. Can you discover Buzzy's pattern and fill in the empty cells for her?

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Number problems at primary level that require careful consideration.

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These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?

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Use these head, body and leg pieces to make Robot Monsters which are different heights.

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Move from the START to the FINISH by moving across or down to the next square. Can you find a route to make these totals?

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Take a look at the video of this trick. Can you perform it yourself? Why is this maths and not magic?

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Investigate what happens when you add house numbers along a street in different ways.

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In your bank, you have three types of coins. The number of spots shows how much they are worth. Can you choose coins to exchange with the groups given to make the same total?

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Can you hang weights in the right place to make the the number balance balanced?

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There are ten children in Becky's group. Can you find a set of numbers for each of them? Are there any other sets?

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Matching Numbers game for an adult and child. Can you remember where the cards are so you can choose two which match?

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Would you rather: Have 10% of £5 or 75% of 80p? Be given 60% of 2 pizzas or 26% of 5 pizzas?

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Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.

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Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

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Find the exact difference between the largest ball and the smallest ball on the Hepta Tree and then use this to work out the MAGIC NUMBER!

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There are nasty versions of this dice game but we'll start with the nice ones...

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These interactive dominoes can be dragged around the screen.

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Number problems for inquiring primary learners.

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Can you complete this jigsaw of the multiplication square?

More activities which will help you get a better of sense of numbers and understand what we mean by place value.

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Try some throwing activities and see whether you can throw something as far as the Olympic hammer or discus throwers.

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Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?

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Dicey Operations for an adult and child. Can you get close to 1000 than your partner?

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Some Games That May Be Nice or Nasty for an adult and child. Use your knowledge of place value to beat your opponent.

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These sixteen children are standing in four lines of four, one behind the other. They are each holding a card with a number on it. Can you work out the missing numbers?

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Can you find different ways of creating paths using these paving slabs?

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Watch the video of Fran re-ordering these number cards. What do you notice? Try it for yourself. What happens?

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There are six numbers written in five different scripts. Can you sort out which is which?

Once a basic number sense has developed for numbers up to ten, a strong 'sense of ten' needs to be developed as a foundation for both place value and mental calculations.

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In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!

In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.

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Max and Bryony both have a box of sweets. What do you know about the number of sweets they each have?

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As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

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Some children have been doing different tasks. Can you see who was the winner?

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How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?

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Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?